Eea.app.visualization

* Bug fix: Don't try to scale if image is already cached in browser,
just return 304 with empty string
[szabozo0 refs 97222]

* Change: updated URLs pointing to eea.europa.eu with https://
[alecghica refs 95849]

* Change: load customized collective.js.jqueryui on eea context for view pages
[ichim-david refs 91577]